*,:before,:after{box-sizing:border-box}html,body{overscroll-behavior:none;height:100%;margin:0}body{color:#8a91a0;touch-action:manipulation;-webkit-tap-highlight-color:transparent;background:#14161c;font:400 13px/1.4 ui-monospace,SF Mono,Menlo,Consolas,monospace}#app{height:100dvh;padding:env(safe-area-inset-top) env(safe-area-inset-right) env(safe-area-inset-bottom) env(safe-area-inset-left);flex-direction:column;display:flex}#board{flex:auto;min-height:0;position:relative}#board canvas{display:block}#stamp{letter-spacing:.08em;color:#4d5462;text-align:center;flex:none;padding:6px 10px;font-size:10px}